/Engine/Source/Runtime/Datasmith/DirectLink/Public/DirectLinkEndpoint.h
Open a Stream between a Source and a Destination
Whether the stream is correctly opened
[EOpenStreamResult](API\Runtime\DirectLink\FEndpoint\EOpenStreamResult) OpenStream ( const [FSourceHandle](API\Runtime\DirectLink\FSourceHandle) & SourceId, const [FDestinationHandle](API\Runtime\DirectLink\FDestinationHandle) & DestinationId )